Function checkImportEqualsDeclaration

test/fixtures/snapshot/typescript.js:85304–85340

(node)

            checkAssertClause(node);
        }
        function checkImportEqualsDeclaration(node) {
            if (checkGrammarModuleElementContext(node, ts.isInJSFile(node) ? ts.Diagnostics.An_import_declaration_can_only_be_used_at_the_top_level_of_a_module : ts.Diagnostics.An_import_declaration_can_only_be_used_at_the_top_level_of_a_namespace_or_module)) {
                // If we hit an import declaration in an illegal context, just bail out to avoid cascading errors.
                return;
            }
            checkGrammarDecoratorsAndModifiers(node);
            if (ts.isInternalModuleImportEqualsDeclaration(node) || checkExternalImportOrExportDeclaration(node)) {
                checkImportBinding(node);
                if (ts.hasSyntacticModifier(node, 1 /* ModifierFlags.Export */)) {
                    markExportAsReferenced(node);
                }
                if (node.moduleReference.kind !== 277 /* SyntaxKind.ExternalModuleReference */) {
                    var target = resolveAlias(getSymbolOfNode(node));
                    if (target !== unknownSymbol) {
                        if (target.flags & 111551 /* SymbolFlags.Value */) {
                            // Target is a value symbol, check that it is not hidden by a local declaration with the same name
                            var moduleName = ts.getFirstIdentifier(node.moduleReference);
                            if (!(resolveEntityName(moduleName, 111551 /* SymbolFlags.Value */ | 1920 /* SymbolFlags.Namespace */).flags & 1920 /* SymbolFlags.Namespace */)) {
                                error(moduleName, ts.Diagnostics.Module_0_is_hidden_by_a_local_declaration_with_the_same_name, ts.declarationNameToString(moduleName));
                            }
                        }
                        if (target.flags & 788968 /* SymbolFlags.Type */) {
                            checkTypeNameIsReserved(node.name, ts.Diagnostics.Import_name_cannot_be_0);
                        }
                    }
                    if (node.isTypeOnly) {
                        grammarErrorOnNode(node, ts.Diagnostics.An_import_alias_cannot_use_import_type);
                    }
                }
                else {
                    if (moduleKind >= ts.ModuleKind.ES2015 && ts.getSourceFileOfNode(node).impliedNodeFormat === undefined && !node.isTypeOnly && !(node.flags & 16777216 /* NodeFlags.Ambient */)) {
                        // Import equals declaration is deprecated in es6 or above
                        grammarErrorOnNode(node, ts.Diagnostics.Import_assignment_cannot_be_used_when_targeting_ECMAScript_modules_Consider_using_import_Asterisk_as_ns_from_mod_import_a_from_mod_import_d_from_mod_or_another_module_format_instead);
                    }
                }
            }
        }
        function checkExportDeclaration(node) {
            if (checkGrammarModuleElementContext(node, ts.isInJSFile(node) ? ts.Diagnostics.An_export_declaration_can_only_be_used_at_the_top_level_of_a_module : ts.Diagnostics.An_export_declaration_can_only_be_used_at_the_top_level_of_a_namespace_or_module)) {
                // If we hit an export in an illegal context, just bail out to avoid cascading errors.